Eclipse Papyrus vs Astah UML

Eclipse Papyrus8.7Visit Astah UML8.5Visit

Higher score Eclipse Papyrus #5 in UML Modeling Software 8.7/10 Free plan Free plan✓ 0 of 4 features Visit Papyrus

vs

Astah UML #7 in UML Modeling Software 8.5/10 Free plan · 20-day trial Free planFree trial✓ 3 of 4 features Visit Astah UML

• Eclipse Papyrus fits best

  Open-source UML and SysML teams

• Astah UML fits best

  Affordable cross-platform UML modeling

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Side by side

Feature	Eclipse Papyrus 8.7/10 Visit ↗	Astah UML 8.5/10 Visit ↗
At a glance
Editor score	8.7	8.5
Ranking	#5 in UML Modeling Software	#7 in UML Modeling Software
Best for	Open-source UML and SysML teams	Affordable cross-platform UML modeling
Pricing model	Free	Free plan + paid
Starting price	Free plan	$6.99/user/mo
Free plan	✓	✓
Free trial	—	20 days
Deployment	Cloud, Desktop	Desktop
Platforms	Web, Windows, macOS, Linux	Windows, macOS, Linux
Support	Community, Docs	Email, Docs
Integrations	4 integrations	4 integrations
Built for	Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Eclipse Papyrus 0/4 · Astah UML 3/4
Code generation	Not checked yet	✓ (best)
Reverse engineering	Not checked yet	✓ (best)
Team collaboration	Not checked yet	✓ (best)
Model repository	Not checked yet	—
Specs
UML diagram types	Not checked yet	Class, Use Case, State Machine, Activity, Sequence, Timing, Communication, Component, Deployment, Composite Structure
Deployment	Not checked yet	Desktop
Supported platforms	Not checked yet	Windows, macOS, Linux
Our review
Pros	Covers UML 2.5 and SysML 1.6 with graphical and tabular editors Supports model execution, animation, and simulation through Moka Papyrus-Web provides real-time simultaneous collaboration at no cost	Broad UML 2.x diagram coverage Java, C#, and C++ reverse engineering Runs on Windows, macOS, and Linux
Cons	Papyrus-Classic is no longer actively maintained The toolset spans separate desktop, web, and Eclipse components Real-time collaboration is provided through Papyrus-Web, not the desktop edition	Desktop deployment without a model repository Advanced AI features require version 11 or later Free access is limited to eligible university students
Our verdict	Eclipse Papyrus is an open-source modeling environment for UML and related systems-modeling standards. It is suited to industrial model-based engineering, academic teaching, and research teams that need UML 2.5, SysML 1.6, and a broad set… Read the review →	Astah UML is desktop UML modeling software for software engineers, students, and development teams. It supports UML 2.x class, use case, state machine, activity, sequence, timing, communication, component, deployment, and composite… Read the review →

Strengths and trade-offs

• Eclipse Papyrus — where it wins

  • Covers UML 2.5 and SysML 1.6 with graphical and tabular editors
  • Supports model execution, animation, and simulation through Moka
  • Papyrus-Web provides real-time simultaneous collaboration at no cost

  Where it doesn't

  • Papyrus-Classic is no longer actively maintained
  • The toolset spans separate desktop, web, and Eclipse components
  • Real-time collaboration is provided through Papyrus-Web, not the desktop edition

• Astah UML — where it wins

  • Broad UML 2.x diagram coverage
  • Java, C#, and C++ reverse engineering
  • Runs on Windows, macOS, and Linux

  Where it doesn't

  • Desktop deployment without a model repository
  • Advanced AI features require version 11 or later
  • Free access is limited to eligible university students

• Eclipse Papyrus8.7/10 · Free plan

  Broad UML and SysML coverage with simulation, customization, and no-cost collaboration.

  Visit PapyrusFull verdict →
• Astah UML8.5/10 · Free plan · 20-day trial

  A broad, affordable cross-platform UML tool with collaboration, reverse engineering, and AI features.

  Visit Astah UMLFull verdict →